130898480

素因数分解:

$2^4\times 5^1\times {\mathrm{1636231}}^1$

素因数の和:1636244

約数の個数: 20

約数和(自身を含む): 304339152

約数和(自身を除く): 173440672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1636231, 3272462, 6544924, 8181155, 13089848, 16362310, 26179696, 32724620, 65449240, 130898480]

約数ペア:

[(1, 130898480), (2, 65449240), (4, 32724620), (5, 26179696), (8, 16362310), (10, 13089848), (16, 8181155), (20, 6544924), (40, 3272462), (80, 1636231)]